At only 6 1/2 ounces, the water-resistant, rubber-armored binoculars are ideal for tossing in your backpack wherever you travel. Individually focusing eyepieces with BK-7 roof prisms and multicoated lenses increase contrast and resolution and bring birds and wildlife eight times closer. The field of view is 413 feet at 1,000 yards. Focuses on subjects as close as 15 feet.